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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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The horizontal fraction bar was introduced by the Arabs.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.